Lenovo Business Laptop

ThinkPad X280

Lenovo ThinkPad X280 business laptop. Internal battery option (marketing) number from Lenovo documentation, plus USB-C AC adapter service FRUs from Lenovo support articles and PSREF. Prices excluded. Not bench-tested.

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Compatible Replacement Parts (5)

Compatibility from OEM documentation, not bench-tested.

Battery

ThinkPad X280 battery 4X50U15736

OEM Part Number: 4X50U15736
Part Specs →
Notice: Lenovo option (marketing) part number, not a service FRU.

Internal 6-cell 48Wh battery. Lenovo marketing option number; service FRU not established.

Fit & Installation Notes:

Internal 6-cell 48Wh battery. Lenovo marketing option number; service FRU not established.. Research draft; verify machine type and original part before ordering. Historical documentation does not establish current availability or all substitutions.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://static.lenovo.com/we/pdfs/Lenovo%20ESP%20complete%20pricelist%20CHF%2001.04.2021.pdf?1= ↗ (PDF p. 20 (zero-based page 19), row 4X50U15736, Lenovo Options Switzerland April 2021. Catalog line re-checked by Grok Bot 2026-10-22 (pdftotext). Marketing option number, not a service FRU. Do not display prices from this price list.) Last checked 2026-10-22
Power Adapter

Lenovo 65W USB-C AC Adapter (FRU 01FR025)

OEM Part Number: 01FR025
Part Specs →

65 W USB Type-C AC adapter (20V 3.25A); service FRU for US/Canada/Mexico, Japan, Argentina and Brazil packages

Fit & Installation Notes:

65 W USB Type-C AC adapter (20V 3.25A); service FRU for US/Canada/Mexico, Japan, Argentina and Brazil packages. Lenovo service FRU; match machine type, original battery position and adapter region/connector before ordering. Not bench-tested; Lenovo notes FRU lists can be out of date.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://psref.lenovo.com/accessory/4X20M26277 ↗ (PSREF accessory page (Lenovo 65W Standard AC Adapter (USB Type-C)), Compatible Machines table lists ThinkPad X280 (20KE, 20KF). Service FRU from https://support.lenovo.com/cf/en/solutions/acc100355: Lenovo ACC100355 Service Parts table: package 4X20M26268 (U.S., Canada, Mexico, Colombia, Panama, Peru, Ecuador) = FRU 01FR025 with line cord 42T5008; also Japan 4X20M26271, Argentina 4X20M26269, Brazil 4X20M26270.) Last checked 2026-10-23
Power Adapter

Lenovo 65W USB-C AC Adapter (FRU 01FR024)

OEM Part Number: 01FR024
Part Specs →

65 W USB Type-C AC adapter (20V 3.25A); service FRU for EU, India, ANZ, China and other listed packages

Fit & Installation Notes:

65 W USB Type-C AC adapter (20V 3.25A); service FRU for EU, India, ANZ, China and other listed packages. Lenovo service FRU; match machine type, original battery position and adapter region/connector before ordering. Not bench-tested; Lenovo notes FRU lists can be out of date.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://psref.lenovo.com/accessory/4X20M26277 ↗ (PSREF accessory page (Lenovo 65W Standard AC Adapter (USB Type-C)), Compatible Machines table lists ThinkPad X280 (20KE, 20KF). Service FRU from https://support.lenovo.com/cf/en/solutions/acc100355: Lenovo ACC100355 Service Parts table: package 4X20M26272 (EU, Turkiye, Ukraine, Russia, Vietnam, Indonesia) = FRU 01FR024 with line cord 42T5029; also India, Malaysia, ANZ, Mainland China, Taiwan/Thailand/Philippines/Guam packages.) Last checked 2026-10-23
Power Adapter

Lenovo 45W USB-C AC Adapter (FRU 00HM664)

OEM Part Number: 00HM664
Part Specs →

45 W USB Type-C AC adapter; service FRU for US/Canada/Mexico, Japan, Argentina and Brazil packages

Fit & Installation Notes:

45 W USB Type-C AC adapter; service FRU for US/Canada/Mexico, Japan, Argentina and Brazil packages. Lenovo service FRU; match machine type, original battery position and adapter region/connector before ordering. Not bench-tested; Lenovo notes FRU lists can be out of date.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://psref.lenovo.com/accessory/4X20M26256 ↗ (PSREF accessory page (Lenovo 45W Standard AC Adapter (USB Type-C)), Compatible Machines table lists ThinkPad X280 (20KE, 20KF). Service FRU from https://pcsupport.lenovo.com/nz/en/solutions/acc100354: Lenovo ACC100354 Service Parts table: package 4X20M26252 (U.S., Canada, Mexico, Colombia, Panama, Peru, Ecuador) = FRU 00HM664 with line cord 42T5008; also Japan, Argentina, Brazil packages.) Last checked 2026-10-23
Power Adapter

Lenovo 45W USB-C AC Adapter (FRU 00HM663)

OEM Part Number: 00HM663
Part Specs →

45 W USB Type-C AC adapter; service FRU for EU, India, ANZ, China and other listed packages

Fit & Installation Notes:

45 W USB Type-C AC adapter; service FRU for EU, India, ANZ, China and other listed packages. Lenovo service FRU; match machine type, original battery position and adapter region/connector before ordering. Not bench-tested; Lenovo notes FRU lists can be out of date.

Difficulty: Not verified Type: OEM Listed Replacement
Evidence Source: https://psref.lenovo.com/accessory/4X20M26256 ↗ (PSREF accessory page (Lenovo 45W Standard AC Adapter (USB Type-C)), Compatible Machines table lists ThinkPad X280 (20KE, 20KF). Service FRU from https://pcsupport.lenovo.com/nz/en/solutions/acc100354: Lenovo ACC100354 Service Parts table: EU (France, Germany, Spain and others), Korea package = FRU 00HM663 with line cord 42T5029; also India, Malaysia, ANZ, Mainland China, Guam packages.) Last checked 2026-10-23
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